A disembodied alien intelligence is floating around the ship...or so everyone believes.
Star Trek
So, there's this ghost that has a thing for Dr. Crusher...
The Doctor has to go on his first away mission.
Worf's foster brother decides to break the Prime Directive. Problems ensue.
Riker's former commanding officer brings back old memories, and not the good kind.
Worf keeps slipping to alternate timelines.
Someone is giving technology to the Kazon.
Data meets a woman who claims to be his mother.
The crew find a friendly planet with technology that could greatly shorten their trip...
The Enterprise has to deal with a problem involving how warp speed affects space...eventually.